Doubled Die Obverse (DDO): This occurs when the obverse (front) of the coin is struck twice by the die, resulting in a doubling of the design elements. The value of a DDO Lincoln head penny can vary significantly depending on the extent of the doubling and the overall rarity of the error. Some rare DDOs can be worth hundreds or even thousands of dollars.
Doubled Die Reverse (DDR): Similar to a DDO, a DDR occurs when the reverse (back) of the coin is struck twice. DDRs are generally less common than DDOs, and their value also depends on the extent of the doubling and its rarity.
Off-Center Strike: This occurs when the coin is not properly centered between the dies during striking, resulting in the design elements being off-center on the coin. Off-center strikes can range in value from a few dollars to several hundred dollars, depending on the degree of off-centerness and the rarity of the error.
Broadstrike: This occurs when the coin is struck with wider-than-normal dies, resulting in a coin with a wider diameter than usual. Broadstrikes are relatively rare and can be valuable, especially if they are well-centered and in good condition.
Overdate Error: This occurs when a coin is mistakenly struck with the wrong date die, resulting in a date that is overstruck by a different date. Overdate errors can be valuable, especially if they are rare and well-preserved.
Repunched Mintmark: This occurs when the mintmark is struck multiple times, resulting in a repunched or doubled mintmark. Repunched mintmarks can add value to a coin, especially if they are rare and well-defined.
In general, the value of a misprinted Lincoln head penny depends on the scarcity and significance of the error, as well as its overall condition and desirability among collectors. It's recommended to consult with a reputable coin dealer or numismatic expert to accurately determine the value of a misprinted penny.